<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8' />
    <meta name='viewport' content='width=device-width, initial-scale=1.0' />
    <title>Document</title>
    <script src='../js/vue.js'></script>
</head>

<body>
    <div id='root'>
        <h1>{{name}}</h1>
        <h1>{{age}}</h1>
    </div>
    <script>
        const vm = new Vue({
            el: '#root',
            data: {
                name: "张三",
                age: 18
            },
        });
        console.log(vm)
        console.log(vm._data.name)
    </script>
</body>

</html>